Jack Bauer used the P228 up to and including Day 2. It is available to all certified agents depending on availability (with regards to that of the Glock 17, Beretta 92 and Heckler & Koch MPSK) and personal preference. It is among the most commonly used handguns of law enforcement worldwide. Appropriate silencing equipment is available.

With a round in the chamber, the maximum capacity of the P228 was fourteen rounds.

During Day 1 and Day 2, Jack is actually using a P229 in some close-ups. The P229 is visually identical to the P228 with the exception of the grip serrations on the side of the slide, which only extend halfway up the slide on the P229 and the trigger cover is slightly different. The P229 is available in 9mm Para (Luger), .40 S&W and .357 SIG calibres.